fix panic caused by gauge default maxValue

Signed-off-by: Navid Yaghoobi <[email protected]>
navidys · Nov 6, 2022 · 1cf558d · 1cf558d
1 parent 0316a1e
commit 1cf558d
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/gauge_pm.go b/gauge_pm.go
@@ -32,6 +32,11 @@ func NewPercentageModeGauge() *PercentageModeGauge {
 // Draw draws this primitive onto the screen.
 func (g *PercentageModeGauge) Draw(screen tcell.Screen) {
 	g.Box.DrawForSubclass(screen, g)
+
+	if g.maxValue == 0 {
+		return
+	}
+
 	x, y, width, height := g.Box.GetInnerRect()
 	pcWidth := 3
 	pc := g.value * gaugeMaxPc / g.maxValue
@@ -123,6 +128,10 @@ func (g *PercentageModeGauge) Reset() {
 }
 
 func (g *PercentageModeGauge) progressBlock(max int) int {
+	if g.maxValue == 0 {
+		return g.maxValue
+	}
+
 	pc := g.value * gaugeMaxPc / g.maxValue
 	value := pc * max / gaugeMaxPc